The part is a critical engine cooling system component that regulates coolant flow to maintain optimal operating temperatures in the Sitrak C7H. This precision assembly ensures efficient engine performance, reduced emissions, and extended component life.
This comprehensive Thermostat kit includes The part Housing, Insert Pipe diameter 40/DN32 for coolant, O-Ring 57 X 4.5 N-EPDM 9-70, Thermostat Housing Gasket, Hexagon Flange Bolt Q186-M8X130-10.9-MAN183-B1, Hexagon Flange Bolt Q186-M8X90-10.9-MAN183-B1, Hexagon Flange Bolt Q186-M8X65-10.9-MAN183-B1, and Thermostat 85℃~95℃. Every component of this Thermostat assembly is engineered to OEM specifications for a perfect fit and reliable performance.
The part features a wax-pellet element that opens at 85°C and is fully open at 95°C, providing precise temperature control. Its robust construction ensures reliable operation under the most demanding conditions, while the included O-rings and gasket guarantee a leak-free seal. This Thermostat is designed for long service life and easy maintenance.
For complete technical specifications and ordering details, please refer to the official Sinotruk Catalog, which provides comprehensive information on all available variants and compatible truck models for The part.
Whether you are replacing a failed thermostat or performing a cooling system overhaul, this Thermostat kit delivers factory-quality components and a straightforward installation. This Thermostat is the definitive choice for operators who demand reliable engine cooling and long-term durability.
The part Housing is a precision-cast component that contains The part and provides mounting points for coolant hoses. In The part assembly, it is made of high-strength aluminum alloy with a corrosion-resistant coating, featuring integrated ports for coolant flow and a bypass circuit. Its design ensures accurate alignment of The part and seamless integration with the engine’s cooling system.
This insert pipe connects The part housing to the radiator or engine block coolant passages. In The part system, it is made of steel with a corrosion-resistant coating, featuring barbed ends for secure hose attachment and a nominal diameter of 40mm (DN32). Its precise dimensions ensure a leak-free connection and optimal coolant flow.
This O-ring seals the connection between The part housing and the insert pipe. In The part assembly, it is made of EPDM rubber with a hardness of 70 Shore A, capable of withstanding coolant temperatures up to 120°C and pressures of 3 bar. Its 57mm inner diameter and 4.5mm cross-section ensure a reliable seal against coolant leakage.
This gasket provides a leak-free seal between The part housing and the engine block. In The part system, it is made of high-temperature-resistant cellulose-fiber material with a metal insert, capable of withstanding coolant, oil, and temperatures up to 150°C. Its precision-cut shape ensures correct alignment and prevents leaks.
This long M8 flange bolt secures The part housing to the engine block. Grade 10.9 with a zinc-nickel coating, it provides high clamping force and corrosion resistance. The MAN183-B1 specification ensures compatibility with the C7H engine, and the 130mm length is suitable for deep mounting points in The part assembly.
These M8 flange bolts are used to secure The part housing to the engine block. Grade 10.9 with a zinc-nickel coating, they provide reliable fastening and corrosion resistance. The 90mm length makes them suitable for standard mounting points in The part system.
These shorter M8 flange bolts are used for auxiliary mounting points in The part assembly. Grade 10.9 with a zinc-nickel coating, they provide secure fastening and corrosion resistance for smaller brackets or components.
This is the main Thermostat component, a wax-pellet type unit with an opening temperature of 85°C and a fully open temperature of 95°C. In The part system, it ensures the engine reaches and maintains its optimal operating temperature, improving fuel efficiency and reducing emissions. The robust construction includes a stainless steel spring and a corrosion-resistant housing, ensuring long-term reliability.
The part ensures the engine reaches its optimal operating temperature quickly and maintains it under varying loads. This reduces fuel consumption, minimizes emissions, and protects engine components from thermal stress, making it essential for long-term reliability.
This Thermostat kit includes every component required for a full installation – the housing, insert pipe, O-ring, gasket, thermostat, and all bolts. The pre-sized hardware and precision-machined components simplify installation, saving time and ensuring compatibility.
The part components are manufactured from high-grade aluminum, corrosion-resistant steel, and premium rubber materials that withstand coolant, heat, and pressure. This ensures reliable performance over thousands of operating hours, reducing the risk of overheating and costly downtime.
The part is manufactured to the exact OEM specifications, guaranteeing a perfect fit on the Sitrak C7H. The precision-machined housing and matched thermostat ensure proper sealing and accurate temperature regulation, eliminating the risk of premature failure.
Our online catalog provides comprehensive access to genuine SINOTRUK parts for all major vehicle lines — including HOWO, Sitrak, Steyr, and Yellow River series trucks. You can browse detailed specifications, original part numbers, and exploded-view diagrams for every assembly. Whether you are performing routine maintenance or planning a major overhaul, the catalog helps you quickly identify the correct components for your vehicle. When you become a SINOTRUK customer, we offer complimentary full‑access catalog services, ensuring you always have the latest product data and interchangeability information at your fingertips to support efficient fleet management and accurate parts ordering.
We are a heavy-duty truck parts store. Please leave your contact information and inquiries. We will respond within 12 hours.
